mirror of
https://github.com/PaperMC/Paper.git
synced 2024-08-31 01:00:22 +02:00
1454 lines
75 KiB
Diff
1454 lines
75 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: stonar96 <minecraft.stonar96@gmail.com>
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Date: Mon, 20 Aug 2018 03:03:58 +0200
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Subject: [PATCH] Anti-Xray
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diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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index 27de7cdc4f3bb5604162f2cc114fcd27a6ed4a14..4dde7eec6afad0b4340631482dc23a9796736d43 100644
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--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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@@ -1,7 +1,9 @@
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package com.destroystokyo.paper;
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+import java.util.Arrays;
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import java.util.List;
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+import com.destroystokyo.paper.antixray.ChunkPacketBlockControllerAntiXray.EngineMode;
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import org.bukkit.Bukkit;
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import org.bukkit.configuration.file.YamlConfiguration;
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import org.spigotmc.SpigotWorldConfig;
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@@ -489,5 +491,40 @@ public class PaperWorldConfig {
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private void lightQueueSize() {
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lightQueueSize = getInt("light-queue-size", lightQueueSize);
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}
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+
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+ public boolean antiXray;
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+ public EngineMode engineMode;
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+ public int maxBlockHeight;
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+ public int updateRadius;
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+ public boolean lavaObscures;
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+ public boolean usePermission;
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+ public List<String> hiddenBlocks;
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+ public List<String> replacementBlocks;
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+ private void antiXray() {
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+ antiXray = getBoolean("anti-xray.enabled", false);
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+ engineMode = EngineMode.getById(getInt("anti-xray.engine-mode", EngineMode.HIDE.getId()));
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+ engineMode = engineMode == null ? EngineMode.HIDE : engineMode;
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+ maxBlockHeight = getInt("anti-xray.max-block-height", 64);
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+ updateRadius = getInt("anti-xray.update-radius", 2);
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+ lavaObscures = getBoolean("anti-xray.lava-obscures", false);
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+ usePermission = getBoolean("anti-xray.use-permission", false);
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+ hiddenBlocks = getList("anti-xray.hidden-blocks", Arrays.asList("copper_ore", "deepslate_copper_ore", "gold_ore", "deepslate_gold_ore", "iron_ore", "deepslate_iron_ore",
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+ "coal_ore", "deepslate_coal_ore", "lapis_ore", "deepslate_lapis_ore", "mossy_cobblestone", "obsidian", "chest", "diamond_ore", "deepslate_diamond_ore",
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+ "redstone_ore", "deepslate_redstone_ore", "clay", "emerald_ore", "deepslate_emerald_ore", "ender_chest"));
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+ replacementBlocks = getList("anti-xray.replacement-blocks", Arrays.asList("stone", "oak_planks", "deepslate"));
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+ if (PaperConfig.version < 19) {
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+ hiddenBlocks.remove("lit_redstone_ore");
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+ int index = replacementBlocks.indexOf("planks");
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+ if (index != -1) {
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+ replacementBlocks.set(index, "oak_planks");
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+ }
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+ set("anti-xray.hidden-blocks", hiddenBlocks);
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+ set("anti-xray.replacement-blocks", replacementBlocks);
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+ }
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+ log("Anti-Xray: " + (antiXray ? "enabled" : "disabled") + " / Engine Mode: " + engineMode.getDescription() + " / Up to " + ((maxBlockHeight >> 4) << 4) + " blocks / Update Radius: " + updateRadius);
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+ if (antiXray && usePermission) {
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+ Bukkit.getLogger().warning("You have enabled permission-based Anti-Xray checking - depending on your permission plugin, this may cause performance issues");
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+ }
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+ }
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}
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diff --git a/src/main/java/com/destroystokyo/paper/antixray/BitStorageReader.java b/src/main/java/com/destroystokyo/paper/antixray/BitStorageReader.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..e448c26327b5f6189c3c52e698cff66c8f9ad81a
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--- /dev/null
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+++ b/src/main/java/com/destroystokyo/paper/antixray/BitStorageReader.java
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@@ -0,0 +1,51 @@
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+package com.destroystokyo.paper.antixray;
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+
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+public final class BitStorageReader {
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+
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+ private byte[] buffer;
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+ private int bits;
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+ private int mask;
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+ private int longInBufferIndex;
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+ private int bitInLongIndex;
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+ private long current;
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+
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+ public void setBuffer(byte[] buffer) {
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+ this.buffer = buffer;
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+ }
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+
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+ public void setBits(int bits) {
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+ this.bits = bits;
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+ mask = (1 << bits) - 1;
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+ }
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+
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+ public void setIndex(int index) {
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+ longInBufferIndex = index;
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+ bitInLongIndex = 0;
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+ init();
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+ }
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+
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+ private void init() {
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+ if (buffer.length > longInBufferIndex + 7) {
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+ current = ((((long) buffer[longInBufferIndex]) << 56)
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+ | (((long) buffer[longInBufferIndex + 1] & 0xff) << 48)
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+ | (((long) buffer[longInBufferIndex + 2] & 0xff) << 40)
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+ | (((long) buffer[longInBufferIndex + 3] & 0xff) << 32)
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+ | (((long) buffer[longInBufferIndex + 4] & 0xff) << 24)
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+ | (((long) buffer[longInBufferIndex + 5] & 0xff) << 16)
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+ | (((long) buffer[longInBufferIndex + 6] & 0xff) << 8)
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+ | (((long) buffer[longInBufferIndex + 7] & 0xff)));
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+ }
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+ }
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+
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+ public int read() {
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+ if (bitInLongIndex + bits > 64) {
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+ bitInLongIndex = 0;
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+ longInBufferIndex += 8;
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+ init();
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+ }
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+
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+ int value = (int) (current >>> bitInLongIndex) & mask;
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+ bitInLongIndex += bits;
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+ return value;
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+ }
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+}
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diff --git a/src/main/java/com/destroystokyo/paper/antixray/BitStorageWriter.java b/src/main/java/com/destroystokyo/paper/antixray/BitStorageWriter.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..e4540ea278f2dc871cb6a3cb8897559bfd65e134
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--- /dev/null
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+++ b/src/main/java/com/destroystokyo/paper/antixray/BitStorageWriter.java
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@@ -0,0 +1,79 @@
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+package com.destroystokyo.paper.antixray;
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+
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+public final class BitStorageWriter {
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+
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+ private byte[] buffer;
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+ private int bits;
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+ private long mask;
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+ private int longInBufferIndex;
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+ private int bitInLongIndex;
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+ private long current;
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+ private boolean dirty;
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+
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+ public void setBuffer(byte[] buffer) {
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+ this.buffer = buffer;
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+ }
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+
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+ public void setBits(int bits) {
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+ this.bits = bits;
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+ mask = (1L << bits) - 1;
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+ }
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+
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+ public void setIndex(int index) {
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+ longInBufferIndex = index;
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+ bitInLongIndex = 0;
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+ init();
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+ }
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+
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+ private void init() {
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+ if (buffer.length > longInBufferIndex + 7) {
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+ current = ((((long) buffer[longInBufferIndex]) << 56)
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+ | (((long) buffer[longInBufferIndex + 1] & 0xff) << 48)
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+ | (((long) buffer[longInBufferIndex + 2] & 0xff) << 40)
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+ | (((long) buffer[longInBufferIndex + 3] & 0xff) << 32)
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+ | (((long) buffer[longInBufferIndex + 4] & 0xff) << 24)
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+ | (((long) buffer[longInBufferIndex + 5] & 0xff) << 16)
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+ | (((long) buffer[longInBufferIndex + 6] & 0xff) << 8)
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+ | (((long) buffer[longInBufferIndex + 7] & 0xff)));
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+ }
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+
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+ dirty = false;
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+ }
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+
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+ public void flush() {
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+ if (dirty && buffer.length > longInBufferIndex + 7) {
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+ buffer[longInBufferIndex] = (byte) (current >> 56 & 0xff);
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+ buffer[longInBufferIndex + 1] = (byte) (current >> 48 & 0xff);
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+ buffer[longInBufferIndex + 2] = (byte) (current >> 40 & 0xff);
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+ buffer[longInBufferIndex + 3] = (byte) (current >> 32 & 0xff);
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+ buffer[longInBufferIndex + 4] = (byte) (current >> 24 & 0xff);
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+ buffer[longInBufferIndex + 5] = (byte) (current >> 16 & 0xff);
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+ buffer[longInBufferIndex + 6] = (byte) (current >> 8 & 0xff);
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+ buffer[longInBufferIndex + 7] = (byte) (current & 0xff);
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+ }
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+ }
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+
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+ public void write(int value) {
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+ if (bitInLongIndex + bits > 64) {
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+ flush();
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+ bitInLongIndex = 0;
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+ longInBufferIndex += 8;
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+ init();
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+ }
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+
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+ current = current & ~(mask << bitInLongIndex) | (value & mask) << bitInLongIndex;
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+ dirty = true;
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+ bitInLongIndex += bits;
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+ }
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+
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+ public void skip() {
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+ bitInLongIndex += bits;
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+
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+ if (bitInLongIndex > 64) {
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+ flush();
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+ bitInLongIndex = bits;
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+ longInBufferIndex += 8;
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+ init();
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+ }
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+ }
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+}
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diff --git a/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketBlockController.java b/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketBlockController.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..280ece653cdda74e9c8fab4e9e5b3a952901cb01
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--- /dev/null
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+++ b/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketBlockController.java
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@@ -0,0 +1,46 @@
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+package com.destroystokyo.paper.antixray;
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+
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+import net.minecraft.core.BlockPos;
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+import net.minecraft.core.Direction;
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+import net.minecraft.network.protocol.game.ClientboundLevelChunkPacket;
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+import net.minecraft.network.protocol.game.ServerboundPlayerActionPacket;
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+import net.minecraft.server.level.ServerPlayer;
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+import net.minecraft.server.level.ServerPlayerGameMode;
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+import net.minecraft.world.level.Level;
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+import net.minecraft.world.level.block.state.BlockState;
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+import net.minecraft.world.level.chunk.ChunkAccess;
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+import net.minecraft.world.level.chunk.LevelChunk;
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+import net.minecraft.world.level.chunk.LevelChunkSection;
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+
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+public class ChunkPacketBlockController {
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+
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+ public static final ChunkPacketBlockController NO_OPERATION_INSTANCE = new ChunkPacketBlockController();
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+
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+ protected ChunkPacketBlockController() {
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+
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+ }
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+
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+ public BlockState[] getPresetBlockStates(Level level, ChunkAccess chunk, LevelChunkSection chunkSection, boolean initializeBlocks) {
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+ return null;
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+ }
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+
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+ public boolean shouldModify(ServerPlayer player, LevelChunk chunk) {
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+ return false;
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+ }
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+
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+ public ChunkPacketInfo<BlockState> getChunkPacketInfo(ClientboundLevelChunkPacket chunkPacket, LevelChunk chunk) {
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+ return null;
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+ }
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+
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+ public void modifyBlocks(ClientboundLevelChunkPacket chunkPacket, ChunkPacketInfo<BlockState> chunkPacketInfo) {
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+ chunkPacket.setReady(true);
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+ }
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+
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+ public void onBlockChange(Level level, BlockPos blockPos, BlockState newBlockState, BlockState oldBlockState, int flags, int maxUpdateDepth) {
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+
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+ }
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+
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+ public void onPlayerLeftClickBlock(ServerPlayerGameMode serverPlayerGameMode, BlockPos blockPos, ServerboundPlayerActionPacket.Action action, Direction direction, int worldHeight) {
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+
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+ }
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+}
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diff --git a/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketBlockControllerAntiXray.java b/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketBlockControllerAntiXray.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..58052a5f773b5882acd90bc0214a36e8a512817c
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--- /dev/null
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+++ b/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketBlockControllerAntiXray.java
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@@ -0,0 +1,635 @@
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+package com.destroystokyo.paper.antixray;
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+
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+import com.destroystokyo.paper.PaperWorldConfig;
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+import net.minecraft.core.BlockPos;
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+import net.minecraft.core.Direction;
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+import net.minecraft.core.Registry;
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+import net.minecraft.network.protocol.game.ClientboundLevelChunkPacket;
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+import net.minecraft.network.protocol.game.ServerboundPlayerActionPacket;
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+import net.minecraft.resources.ResourceLocation;
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+import net.minecraft.server.MinecraftServer;
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+import net.minecraft.server.level.ServerLevel;
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+import net.minecraft.server.level.ServerPlayer;
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+import net.minecraft.server.level.ServerPlayerGameMode;
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+import net.minecraft.world.level.ChunkPos;
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+import net.minecraft.world.level.Level;
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+import net.minecraft.world.level.block.Block;
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+import net.minecraft.world.level.block.Blocks;
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+import net.minecraft.world.level.block.EntityBlock;
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+import net.minecraft.world.level.block.state.BlockState;
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+import net.minecraft.world.level.chunk.*;
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+import org.bukkit.Bukkit;
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+
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+import java.util.*;
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+import java.util.concurrent.Executor;
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+import java.util.concurrent.ThreadLocalRandom;
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+import java.util.function.IntSupplier;
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+
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+public final class ChunkPacketBlockControllerAntiXray extends ChunkPacketBlockController {
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+
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+ private final Executor executor;
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+ private final EngineMode engineMode;
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+ private final int maxBlockHeight;
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+ private final int updateRadius;
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+ private final boolean usePermission;
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+ private final BlockState[] presetBlockStates;
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+ private final BlockState[] presetBlockStatesFull;
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+ private final BlockState[] presetBlockStatesStone;
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+ private final BlockState[] presetBlockStatesNetherrack;
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+ private final BlockState[] presetBlockStatesEndStone;
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+ private final int[] presetBlockStateBitsGlobal;
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+ private final int[] presetBlockStateBitsStoneGlobal;
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+ private final int[] presetBlockStateBitsNetherrackGlobal;
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+ private final int[] presetBlockStateBitsEndStoneGlobal;
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+ private final boolean[] solidGlobal = new boolean[Block.BLOCK_STATE_REGISTRY.size()];
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+ private final boolean[] obfuscateGlobal = new boolean[Block.BLOCK_STATE_REGISTRY.size()];
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+ private final LevelChunkSection[] emptyNearbyChunkSections = {LevelChunk.EMPTY_SECTION, LevelChunk.EMPTY_SECTION, LevelChunk.EMPTY_SECTION, LevelChunk.EMPTY_SECTION};
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+ private final int maxBlockHeightUpdatePosition;
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+
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+ public ChunkPacketBlockControllerAntiXray(Level level, Executor executor) {
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+ this.executor = executor;
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+ PaperWorldConfig paperWorldConfig = level.paperConfig;
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+ engineMode = paperWorldConfig.engineMode;
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+ maxBlockHeight = paperWorldConfig.maxBlockHeight >> 4 << 4;
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+ updateRadius = paperWorldConfig.updateRadius;
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+ usePermission = paperWorldConfig.usePermission;
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+ List<String> toObfuscate;
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+
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+ if (engineMode == EngineMode.HIDE) {
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+ toObfuscate = paperWorldConfig.hiddenBlocks;
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+ presetBlockStates = null;
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+ presetBlockStatesFull = null;
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+ presetBlockStatesStone = new BlockState[]{Blocks.STONE.defaultBlockState()};
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+ presetBlockStatesNetherrack = new BlockState[]{Blocks.NETHERRACK.defaultBlockState()};
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+ presetBlockStatesEndStone = new BlockState[]{Blocks.END_STONE.defaultBlockState()};
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+ presetBlockStateBitsGlobal = null;
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+ presetBlockStateBitsStoneGlobal = new int[]{LevelChunkSection.GLOBAL_BLOCKSTATE_PALETTE.idFor(Blocks.STONE.defaultBlockState())};
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+ presetBlockStateBitsNetherrackGlobal = new int[]{LevelChunkSection.GLOBAL_BLOCKSTATE_PALETTE.idFor(Blocks.NETHERRACK.defaultBlockState())};
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+ presetBlockStateBitsEndStoneGlobal = new int[]{LevelChunkSection.GLOBAL_BLOCKSTATE_PALETTE.idFor(Blocks.END_STONE.defaultBlockState())};
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+ } else {
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+ toObfuscate = new ArrayList<>(paperWorldConfig.replacementBlocks);
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+ List<BlockState> presetBlockStateList = new LinkedList<>();
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+
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+ for (String id : paperWorldConfig.hiddenBlocks) {
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+ Block block = Registry.BLOCK.getOptional(new ResourceLocation(id)).orElse(null);
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+
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+ if (block != null && !(block instanceof EntityBlock)) {
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+ toObfuscate.add(id);
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+ presetBlockStateList.add(block.defaultBlockState());
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+ }
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+ }
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+
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+ // The doc of the LinkedHashSet(Collection<? extends E>) constructor doesn't specify that the insertion order is the predictable iteration order of the specified Collection, although it is in the implementation
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+ Set<BlockState> presetBlockStateSet = new LinkedHashSet<>();
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+ // Therefore addAll(Collection<? extends E>) is used, which guarantees this order in the doc
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+ presetBlockStateSet.addAll(presetBlockStateList);
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+ presetBlockStates = presetBlockStateSet.isEmpty() ? new BlockState[]{Blocks.DIAMOND_ORE.defaultBlockState()} : presetBlockStateSet.toArray(new BlockState[0]);
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+ presetBlockStatesFull = presetBlockStateSet.isEmpty() ? new BlockState[]{Blocks.DIAMOND_ORE.defaultBlockState()} : presetBlockStateList.toArray(new BlockState[0]);
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+ presetBlockStatesStone = null;
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+ presetBlockStatesNetherrack = null;
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+ presetBlockStatesEndStone = null;
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+ presetBlockStateBitsGlobal = new int[presetBlockStatesFull.length];
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+
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+ for (int i = 0; i < presetBlockStatesFull.length; i++) {
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+ presetBlockStateBitsGlobal[i] = LevelChunkSection.GLOBAL_BLOCKSTATE_PALETTE.idFor(presetBlockStatesFull[i]);
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+ }
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+
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+ presetBlockStateBitsStoneGlobal = null;
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+ presetBlockStateBitsNetherrackGlobal = null;
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+ presetBlockStateBitsEndStoneGlobal = null;
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+ }
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+
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+ for (String id : toObfuscate) {
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+ Block block = Registry.BLOCK.getOptional(new ResourceLocation(id)).orElse(null);
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+
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+ // Don't obfuscate air because air causes unnecessary block updates and causes block updates to fail in the void
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+ if (block != null && !block.defaultBlockState().isAir()) {
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+ // Replace all block states of a specified block
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+ for (BlockState blockState : block.getStateDefinition().getPossibleStates()) {
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+ obfuscateGlobal[LevelChunkSection.GLOBAL_BLOCKSTATE_PALETTE.idFor(blockState)] = true;
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+ }
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+ }
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+ }
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+
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+ EmptyLevelChunk emptyChunk = new EmptyLevelChunk(level, new ChunkPos(0, 0));
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+ BlockPos zeroPos = new BlockPos(0, 0, 0);
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+
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+ for (int i = 0; i < solidGlobal.length; i++) {
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+ BlockState blockState = LevelChunkSection.GLOBAL_BLOCKSTATE_PALETTE.valueFor(i);
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+
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+ if (blockState != null) {
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+ solidGlobal[i] = blockState.isRedstoneConductor(emptyChunk, zeroPos)
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+ && blockState.getBlock() != Blocks.SPAWNER && blockState.getBlock() != Blocks.BARRIER && blockState.getBlock() != Blocks.SHULKER_BOX && blockState.getBlock() != Blocks.SLIME_BLOCK || paperWorldConfig.lavaObscures && blockState == Blocks.LAVA.defaultBlockState();
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+ // Comparing blockState == Blocks.LAVA.defaultBlockState() instead of blockState.getBlock() == Blocks.LAVA ensures that only "stationary lava" is used
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+ // shulker box checks TE.
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+ }
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+ }
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+
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+ maxBlockHeightUpdatePosition = maxBlockHeight + updateRadius - 1;
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+ }
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+
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+ private int getPresetBlockStatesFullLength() {
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+ return engineMode == EngineMode.HIDE ? 1 : presetBlockStatesFull.length;
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+ }
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+
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+ @Override
|
|
+ public BlockState[] getPresetBlockStates(Level level, ChunkAccess chunk, LevelChunkSection chunkSection, boolean initializeBlocks) {
|
|
+ // Return the block states to be added to the paletted containers so that they can be used for obfuscation
|
|
+ if (chunkSection.bottomBlockY() < maxBlockHeight) {
|
|
+ if (engineMode == EngineMode.HIDE) {
|
|
+ return switch (level.getWorld().getEnvironment()) {
|
|
+ case NETHER -> presetBlockStatesNetherrack;
|
|
+ case THE_END -> presetBlockStatesEndStone;
|
|
+ default -> presetBlockStatesStone;
|
|
+ };
|
|
+ }
|
|
+
|
|
+ return presetBlockStates;
|
|
+ }
|
|
+
|
|
+ return null;
|
|
+ }
|
|
+
|
|
+ @Override
|
|
+ public boolean shouldModify(ServerPlayer player, LevelChunk chunk) {
|
|
+ return !usePermission || !player.getBukkitEntity().hasPermission("paper.antixray.bypass");
|
|
+ }
|
|
+
|
|
+ @Override
|
|
+ public ChunkPacketInfoAntiXray getChunkPacketInfo(ClientboundLevelChunkPacket chunkPacket, LevelChunk chunk) {
|
|
+ // Return a new instance to collect data and objects in the right state while creating the chunk packet for thread safe access later
|
|
+ return new ChunkPacketInfoAntiXray(chunkPacket, chunk, this);
|
|
+ }
|
|
+
|
|
+ @Override
|
|
+ public void modifyBlocks(ClientboundLevelChunkPacket chunkPacket, ChunkPacketInfo<BlockState> chunkPacketInfo) {
|
|
+ if (!(chunkPacketInfo instanceof ChunkPacketInfoAntiXray)) {
|
|
+ chunkPacket.setReady(true);
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ if (!Bukkit.isPrimaryThread()) {
|
|
+ // Plugins?
|
|
+ MinecraftServer.getServer().scheduleOnMain(() -> modifyBlocks(chunkPacket, chunkPacketInfo));
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ LevelChunk chunk = chunkPacketInfo.getChunk();
|
|
+ int x = chunk.getPos().x;
|
|
+ int z = chunk.getPos().z;
|
|
+ Level level = chunk.level;
|
|
+ ((ChunkPacketInfoAntiXray) chunkPacketInfo).setNearbyChunks(level.getChunkIfLoaded(x - 1, z), level.getChunkIfLoaded(x + 1, z), level.getChunkIfLoaded(x, z - 1), level.getChunkIfLoaded(x, z + 1));
|
|
+ executor.execute((Runnable) chunkPacketInfo);
|
|
+ }
|
|
+
|
|
+ // Actually these fields should be variables inside the obfuscate method but in sync mode or with SingleThreadExecutor in async mode it's okay (even without ThreadLocal)
|
|
+ // If an ExecutorService with multiple threads is used, ThreadLocal must be used here
|
|
+ private final ThreadLocal<int[]> presetBlockStateBits = ThreadLocal.withInitial(() -> new int[getPresetBlockStatesFullLength()]);
|
|
+ private static final ThreadLocal<boolean[]> solid = ThreadLocal.withInitial(() -> new boolean[Block.BLOCK_STATE_REGISTRY.size()]);
|
|
+ private static final ThreadLocal<boolean[]> obfuscate = ThreadLocal.withInitial(() -> new boolean[Block.BLOCK_STATE_REGISTRY.size()]);
|
|
+ // These boolean arrays represent chunk layers, true means don't obfuscate, false means obfuscate
|
|
+ private static final ThreadLocal<boolean[][]> current = ThreadLocal.withInitial(() -> new boolean[16][16]);
|
|
+ private static final ThreadLocal<boolean[][]> next = ThreadLocal.withInitial(() -> new boolean[16][16]);
|
|
+ private static final ThreadLocal<boolean[][]> nextNext = ThreadLocal.withInitial(() -> new boolean[16][16]);
|
|
+
|
|
+ public void obfuscate(ChunkPacketInfoAntiXray chunkPacketInfoAntiXray) {
|
|
+ int[] presetBlockStateBits = this.presetBlockStateBits.get();
|
|
+ boolean[] solid = ChunkPacketBlockControllerAntiXray.solid.get();
|
|
+ boolean[] obfuscate = ChunkPacketBlockControllerAntiXray.obfuscate.get();
|
|
+ boolean[][] current = ChunkPacketBlockControllerAntiXray.current.get();
|
|
+ boolean[][] next = ChunkPacketBlockControllerAntiXray.next.get();
|
|
+ boolean[][] nextNext = ChunkPacketBlockControllerAntiXray.nextNext.get();
|
|
+ // bitStorageReader, bitStorageWriter and nearbyChunkSections could also be reused (with ThreadLocal if necessary) but it's not worth it
|
|
+ BitStorageReader bitStorageReader = new BitStorageReader();
|
|
+ BitStorageWriter bitStorageWriter = new BitStorageWriter();
|
|
+ LevelChunkSection[] nearbyChunkSections = new LevelChunkSection[4];
|
|
+ LevelChunk chunk = chunkPacketInfoAntiXray.getChunk();
|
|
+ Level level = chunk.level;
|
|
+ int maxChunkSectionIndex = Math.min((maxBlockHeight >> 4) - chunk.getMinSection(), chunk.getSectionsCount() - 1);
|
|
+ boolean[] solidTemp = null;
|
|
+ boolean[] obfuscateTemp = null;
|
|
+ bitStorageReader.setBuffer(chunkPacketInfoAntiXray.getBuffer());
|
|
+ bitStorageWriter.setBuffer(chunkPacketInfoAntiXray.getBuffer());
|
|
+ int numberOfBlocks = presetBlockStateBits.length;
|
|
+ // Keep the lambda expressions as simple as possible. They are used very frequently.
|
|
+ IntSupplier random = numberOfBlocks == 1 ? (() -> 0) : new IntSupplier() {
|
|
+ private int state;
|
|
+
|
|
+ {
|
|
+ while ((state = ThreadLocalRandom.current().nextInt()) == 0) ;
|
|
+ }
|
|
+
|
|
+ @Override
|
|
+ public int getAsInt() {
|
|
+ // https://en.wikipedia.org/wiki/Xorshift
|
|
+ state ^= state << 13;
|
|
+ state ^= state >>> 17;
|
|
+ state ^= state << 5;
|
|
+ // https://www.pcg-random.org/posts/bounded-rands.html
|
|
+ return (int) ((Integer.toUnsignedLong(state) * numberOfBlocks) >>> 32);
|
|
+ }
|
|
+ };
|
|
+
|
|
+ for (int chunkSectionIndex = 0; chunkSectionIndex <= maxChunkSectionIndex; chunkSectionIndex++) {
|
|
+ if (chunkPacketInfoAntiXray.isWritten(chunkSectionIndex) && chunkPacketInfoAntiXray.getPresetValues(chunkSectionIndex) != null) {
|
|
+ int[] presetBlockStateBitsTemp;
|
|
+
|
|
+ if (chunkPacketInfoAntiXray.getPalette(chunkSectionIndex) == LevelChunkSection.GLOBAL_BLOCKSTATE_PALETTE) {
|
|
+ if (engineMode == EngineMode.HIDE) {
|
|
+ presetBlockStateBitsTemp = switch (level.getWorld().getEnvironment()) {
|
|
+ case NETHER -> presetBlockStateBitsNetherrackGlobal;
|
|
+ case THE_END -> presetBlockStateBitsEndStoneGlobal;
|
|
+ default -> presetBlockStateBitsStoneGlobal;
|
|
+ };
|
|
+ } else {
|
|
+ presetBlockStateBitsTemp = presetBlockStateBitsGlobal;
|
|
+ }
|
|
+ } else {
|
|
+ // If it's presetBlockStates, use this.presetBlockStatesFull instead
|
|
+ BlockState[] presetBlockStatesFull = chunkPacketInfoAntiXray.getPresetValues(chunkSectionIndex) == presetBlockStates ? this.presetBlockStatesFull : chunkPacketInfoAntiXray.getPresetValues(chunkSectionIndex);
|
|
+ presetBlockStateBitsTemp = presetBlockStateBits;
|
|
+
|
|
+ for (int i = 0; i < presetBlockStateBitsTemp.length; i++) {
|
|
+ presetBlockStateBitsTemp[i] = chunkPacketInfoAntiXray.getPalette(chunkSectionIndex).idFor(presetBlockStatesFull[i]);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ bitStorageWriter.setIndex(chunkPacketInfoAntiXray.getIndex(chunkSectionIndex));
|
|
+
|
|
+ // Check if the chunk section below was not obfuscated
|
|
+ if (chunkSectionIndex == 0 || !chunkPacketInfoAntiXray.isWritten(chunkSectionIndex - 1) || chunkPacketInfoAntiXray.getPresetValues(chunkSectionIndex - 1) == null) {
|
|
+ // If so, initialize some stuff
|
|
+ bitStorageReader.setBits(chunkPacketInfoAntiXray.getBits(chunkSectionIndex));
|
|
+ bitStorageReader.setIndex(chunkPacketInfoAntiXray.getIndex(chunkSectionIndex));
|
|
+ solidTemp = readPalette(chunkPacketInfoAntiXray.getPalette(chunkSectionIndex), solid, solidGlobal);
|
|
+ obfuscateTemp = readPalette(chunkPacketInfoAntiXray.getPalette(chunkSectionIndex), obfuscate, obfuscateGlobal);
|
|
+ // Read the blocks of the upper layer of the chunk section below if it exists
|
|
+ LevelChunkSection belowChunkSection = null;
|
|
+ boolean skipFirstLayer = chunkSectionIndex == 0 || (belowChunkSection = chunk.getSections()[chunkSectionIndex - 1]) == LevelChunk.EMPTY_SECTION;
|
|
+
|
|
+ for (int z = 0; z < 16; z++) {
|
|
+ for (int x = 0; x < 16; x++) {
|
|
+ current[z][x] = true;
|
|
+ next[z][x] = skipFirstLayer || !solidGlobal[LevelChunkSection.GLOBAL_BLOCKSTATE_PALETTE.idFor(belowChunkSection.getBlockState(x, 15, z))];
|
|
+ }
|
|
+ }
|
|
+
|
|
+ // Abuse the obfuscateLayer method to read the blocks of the first layer of the current chunk section
|
|
+ bitStorageWriter.setBits(0);
|
|
+ obfuscateLayer(-1, bitStorageReader, bitStorageWriter, solidTemp, obfuscateTemp, presetBlockStateBitsTemp, current, next, nextNext, emptyNearbyChunkSections, random);
|
|
+ }
|
|
+
|
|
+ bitStorageWriter.setBits(chunkPacketInfoAntiXray.getBits(chunkSectionIndex));
|
|
+ nearbyChunkSections[0] = chunkPacketInfoAntiXray.getNearbyChunks()[0] == null ? LevelChunk.EMPTY_SECTION : chunkPacketInfoAntiXray.getNearbyChunks()[0].getSections()[chunkSectionIndex];
|
|
+ nearbyChunkSections[1] = chunkPacketInfoAntiXray.getNearbyChunks()[1] == null ? LevelChunk.EMPTY_SECTION : chunkPacketInfoAntiXray.getNearbyChunks()[1].getSections()[chunkSectionIndex];
|
|
+ nearbyChunkSections[2] = chunkPacketInfoAntiXray.getNearbyChunks()[2] == null ? LevelChunk.EMPTY_SECTION : chunkPacketInfoAntiXray.getNearbyChunks()[2].getSections()[chunkSectionIndex];
|
|
+ nearbyChunkSections[3] = chunkPacketInfoAntiXray.getNearbyChunks()[3] == null ? LevelChunk.EMPTY_SECTION : chunkPacketInfoAntiXray.getNearbyChunks()[3].getSections()[chunkSectionIndex];
|
|
+
|
|
+ // Obfuscate all layers of the current chunk section except the upper one
|
|
+ for (int y = 0; y < 15; y++) {
|
|
+ boolean[][] temp = current;
|
|
+ current = next;
|
|
+ next = nextNext;
|
|
+ nextNext = temp;
|
|
+ obfuscateLayer(y, bitStorageReader, bitStorageWriter, solidTemp, obfuscateTemp, presetBlockStateBitsTemp, current, next, nextNext, nearbyChunkSections, random);
|
|
+ }
|
|
+
|
|
+ // Check if the chunk section above doesn't need obfuscation
|
|
+ if (chunkSectionIndex == maxChunkSectionIndex || !chunkPacketInfoAntiXray.isWritten(chunkSectionIndex + 1) || chunkPacketInfoAntiXray.getPresetValues(chunkSectionIndex + 1) == null) {
|
|
+ // If so, obfuscate the upper layer of the current chunk section by reading blocks of the first layer from the chunk section above if it exists
|
|
+ LevelChunkSection aboveChunkSection;
|
|
+
|
|
+ if (chunkSectionIndex != chunk.getSectionsCount() - 1 && (aboveChunkSection = chunk.getSections()[chunkSectionIndex + 1]) != LevelChunk.EMPTY_SECTION) {
|
|
+ boolean[][] temp = current;
|
|
+ current = next;
|
|
+ next = nextNext;
|
|
+ nextNext = temp;
|
|
+
|
|
+ for (int z = 0; z < 16; z++) {
|
|
+ for (int x = 0; x < 16; x++) {
|
|
+ if (!solidGlobal[LevelChunkSection.GLOBAL_BLOCKSTATE_PALETTE.idFor(aboveChunkSection.getBlockState(x, 0, z))]) {
|
|
+ current[z][x] = true;
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+
|
|
+ // There is nothing to read anymore
|
|
+ bitStorageReader.setBits(0);
|
|
+ solid[0] = true;
|
|
+ obfuscateLayer(15, bitStorageReader, bitStorageWriter, solid, obfuscateTemp, presetBlockStateBitsTemp, current, next, nextNext, nearbyChunkSections, random);
|
|
+ }
|
|
+ } else {
|
|
+ // If not, initialize the reader and other stuff for the chunk section above to obfuscate the upper layer of the current chunk section
|
|
+ bitStorageReader.setBits(chunkPacketInfoAntiXray.getBits(chunkSectionIndex + 1));
|
|
+ bitStorageReader.setIndex(chunkPacketInfoAntiXray.getIndex(chunkSectionIndex + 1));
|
|
+ solidTemp = readPalette(chunkPacketInfoAntiXray.getPalette(chunkSectionIndex + 1), solid, solidGlobal);
|
|
+ obfuscateTemp = readPalette(chunkPacketInfoAntiXray.getPalette(chunkSectionIndex + 1), obfuscate, obfuscateGlobal);
|
|
+ boolean[][] temp = current;
|
|
+ current = next;
|
|
+ next = nextNext;
|
|
+ nextNext = temp;
|
|
+ obfuscateLayer(15, bitStorageReader, bitStorageWriter, solidTemp, obfuscateTemp, presetBlockStateBitsTemp, current, next, nextNext, nearbyChunkSections, random);
|
|
+ }
|
|
+
|
|
+ bitStorageWriter.flush();
|
|
+ }
|
|
+ }
|
|
+
|
|
+ chunkPacketInfoAntiXray.getChunkPacket().setReady(true);
|
|
+ }
|
|
+
|
|
+ private void obfuscateLayer(int y, BitStorageReader bitStorageReader, BitStorageWriter bitStorageWriter, boolean[] solid, boolean[] obfuscate, int[] presetBlockStateBits, boolean[][] current, boolean[][] next, boolean[][] nextNext, LevelChunkSection[] nearbyChunkSections, IntSupplier random) {
|
|
+ // First block of first line
|
|
+ int bits = bitStorageReader.read();
|
|
+
|
|
+ if (nextNext[0][0] = !solid[bits]) {
|
|
+ bitStorageWriter.skip();
|
|
+ next[0][1] = true;
|
|
+ next[1][0] = true;
|
|
+ } else {
|
|
+ if (current[0][0] || nearbyChunkSections[2] == LevelChunk.EMPTY_SECTION || !solidGlobal[LevelChunkSection.GLOBAL_BLOCKSTATE_PALETTE.idFor(nearbyChunkSections[2].getBlockState(0, y, 15))] || nearbyChunkSections[0] == LevelChunk.EMPTY_SECTION || !solidGlobal[LevelChunkSection.GLOBAL_BLOCKSTATE_PALETTE.idFor(nearbyChunkSections[0].getBlockState(15, y, 0))]) {
|
|
+ bitStorageWriter.skip();
|
|
+ } else {
|
|
+ bitStorageWriter.write(presetBlockStateBits[random.getAsInt()]);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (!obfuscate[bits]) {
|
|
+ next[0][0] = true;
|
|
+ }
|
|
+
|
|
+ // First line
|
|
+ for (int x = 1; x < 15; x++) {
|
|
+ bits = bitStorageReader.read();
|
|
+
|
|
+ if (nextNext[0][x] = !solid[bits]) {
|
|
+ bitStorageWriter.skip();
|
|
+ next[0][x - 1] = true;
|
|
+ next[0][x + 1] = true;
|
|
+ next[1][x] = true;
|
|
+ } else {
|
|
+ if (current[0][x] || nearbyChunkSections[2] == LevelChunk.EMPTY_SECTION || !solidGlobal[LevelChunkSection.GLOBAL_BLOCKSTATE_PALETTE.idFor(nearbyChunkSections[2].getBlockState(x, y, 15))]) {
|
|
+ bitStorageWriter.skip();
|
|
+ } else {
|
|
+ bitStorageWriter.write(presetBlockStateBits[random.getAsInt()]);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (!obfuscate[bits]) {
|
|
+ next[0][x] = true;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ // Last block of first line
|
|
+ bits = bitStorageReader.read();
|
|
+
|
|
+ if (nextNext[0][15] = !solid[bits]) {
|
|
+ bitStorageWriter.skip();
|
|
+ next[0][14] = true;
|
|
+ next[1][15] = true;
|
|
+ } else {
|
|
+ if (current[0][15] || nearbyChunkSections[2] == LevelChunk.EMPTY_SECTION || !solidGlobal[LevelChunkSection.GLOBAL_BLOCKSTATE_PALETTE.idFor(nearbyChunkSections[2].getBlockState(15, y, 15))] || nearbyChunkSections[1] == LevelChunk.EMPTY_SECTION || !solidGlobal[LevelChunkSection.GLOBAL_BLOCKSTATE_PALETTE.idFor(nearbyChunkSections[1].getBlockState(0, y, 0))]) {
|
|
+ bitStorageWriter.skip();
|
|
+ } else {
|
|
+ bitStorageWriter.write(presetBlockStateBits[random.getAsInt()]);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (!obfuscate[bits]) {
|
|
+ next[0][15] = true;
|
|
+ }
|
|
+
|
|
+ // All inner lines
|
|
+ for (int z = 1; z < 15; z++) {
|
|
+ // First block
|
|
+ bits = bitStorageReader.read();
|
|
+
|
|
+ if (nextNext[z][0] = !solid[bits]) {
|
|
+ bitStorageWriter.skip();
|
|
+ next[z][1] = true;
|
|
+ next[z - 1][0] = true;
|
|
+ next[z + 1][0] = true;
|
|
+ } else {
|
|
+ if (current[z][0] || nearbyChunkSections[0] == LevelChunk.EMPTY_SECTION || !solidGlobal[LevelChunkSection.GLOBAL_BLOCKSTATE_PALETTE.idFor(nearbyChunkSections[0].getBlockState(15, y, z))]) {
|
|
+ bitStorageWriter.skip();
|
|
+ } else {
|
|
+ bitStorageWriter.write(presetBlockStateBits[random.getAsInt()]);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (!obfuscate[bits]) {
|
|
+ next[z][0] = true;
|
|
+ }
|
|
+
|
|
+ // All inner blocks
|
|
+ for (int x = 1; x < 15; x++) {
|
|
+ bits = bitStorageReader.read();
|
|
+
|
|
+ if (nextNext[z][x] = !solid[bits]) {
|
|
+ bitStorageWriter.skip();
|
|
+ next[z][x - 1] = true;
|
|
+ next[z][x + 1] = true;
|
|
+ next[z - 1][x] = true;
|
|
+ next[z + 1][x] = true;
|
|
+ } else {
|
|
+ if (current[z][x]) {
|
|
+ bitStorageWriter.skip();
|
|
+ } else {
|
|
+ bitStorageWriter.write(presetBlockStateBits[random.getAsInt()]);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (!obfuscate[bits]) {
|
|
+ next[z][x] = true;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ // Last block
|
|
+ bits = bitStorageReader.read();
|
|
+
|
|
+ if (nextNext[z][15] = !solid[bits]) {
|
|
+ bitStorageWriter.skip();
|
|
+ next[z][14] = true;
|
|
+ next[z - 1][15] = true;
|
|
+ next[z + 1][15] = true;
|
|
+ } else {
|
|
+ if (current[z][15] || nearbyChunkSections[1] == LevelChunk.EMPTY_SECTION || !solidGlobal[LevelChunkSection.GLOBAL_BLOCKSTATE_PALETTE.idFor(nearbyChunkSections[1].getBlockState(0, y, z))]) {
|
|
+ bitStorageWriter.skip();
|
|
+ } else {
|
|
+ bitStorageWriter.write(presetBlockStateBits[random.getAsInt()]);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (!obfuscate[bits]) {
|
|
+ next[z][15] = true;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ // First block of last line
|
|
+ bits = bitStorageReader.read();
|
|
+
|
|
+ if (nextNext[15][0] = !solid[bits]) {
|
|
+ bitStorageWriter.skip();
|
|
+ next[15][1] = true;
|
|
+ next[14][0] = true;
|
|
+ } else {
|
|
+ if (current[15][0] || nearbyChunkSections[3] == LevelChunk.EMPTY_SECTION || !solidGlobal[LevelChunkSection.GLOBAL_BLOCKSTATE_PALETTE.idFor(nearbyChunkSections[3].getBlockState(0, y, 0))] || nearbyChunkSections[0] == LevelChunk.EMPTY_SECTION || !solidGlobal[LevelChunkSection.GLOBAL_BLOCKSTATE_PALETTE.idFor(nearbyChunkSections[0].getBlockState(15, y, 15))]) {
|
|
+ bitStorageWriter.skip();
|
|
+ } else {
|
|
+ bitStorageWriter.write(presetBlockStateBits[random.getAsInt()]);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (!obfuscate[bits]) {
|
|
+ next[15][0] = true;
|
|
+ }
|
|
+
|
|
+ // Last line
|
|
+ for (int x = 1; x < 15; x++) {
|
|
+ bits = bitStorageReader.read();
|
|
+
|
|
+ if (nextNext[15][x] = !solid[bits]) {
|
|
+ bitStorageWriter.skip();
|
|
+ next[15][x - 1] = true;
|
|
+ next[15][x + 1] = true;
|
|
+ next[14][x] = true;
|
|
+ } else {
|
|
+ if (current[15][x] || nearbyChunkSections[3] == LevelChunk.EMPTY_SECTION || !solidGlobal[LevelChunkSection.GLOBAL_BLOCKSTATE_PALETTE.idFor(nearbyChunkSections[3].getBlockState(x, y, 0))]) {
|
|
+ bitStorageWriter.skip();
|
|
+ } else {
|
|
+ bitStorageWriter.write(presetBlockStateBits[random.getAsInt()]);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (!obfuscate[bits]) {
|
|
+ next[15][x] = true;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ // Last block of last line
|
|
+ bits = bitStorageReader.read();
|
|
+
|
|
+ if (nextNext[15][15] = !solid[bits]) {
|
|
+ bitStorageWriter.skip();
|
|
+ next[15][14] = true;
|
|
+ next[14][15] = true;
|
|
+ } else {
|
|
+ if (current[15][15] || nearbyChunkSections[3] == LevelChunk.EMPTY_SECTION || !solidGlobal[LevelChunkSection.GLOBAL_BLOCKSTATE_PALETTE.idFor(nearbyChunkSections[3].getBlockState(15, y, 0))] || nearbyChunkSections[1] == LevelChunk.EMPTY_SECTION || !solidGlobal[LevelChunkSection.GLOBAL_BLOCKSTATE_PALETTE.idFor(nearbyChunkSections[1].getBlockState(0, y, 15))]) {
|
|
+ bitStorageWriter.skip();
|
|
+ } else {
|
|
+ bitStorageWriter.write(presetBlockStateBits[random.getAsInt()]);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (!obfuscate[bits]) {
|
|
+ next[15][15] = true;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ private boolean[] readPalette(Palette<BlockState> palette, boolean[] temp, boolean[] global) {
|
|
+ if (palette == LevelChunkSection.GLOBAL_BLOCKSTATE_PALETTE) {
|
|
+ return global;
|
|
+ }
|
|
+
|
|
+ BlockState blockState;
|
|
+
|
|
+ for (int i = 0; (blockState = palette.valueFor(i)) != null; i++) {
|
|
+ temp[i] = global[LevelChunkSection.GLOBAL_BLOCKSTATE_PALETTE.idFor(blockState)];
|
|
+ }
|
|
+
|
|
+ return temp;
|
|
+ }
|
|
+
|
|
+ @Override
|
|
+ public void onBlockChange(Level level, BlockPos blockPos, BlockState newBlockState, BlockState oldBlockState, int flags, int maxUpdateDepth) {
|
|
+ if (oldBlockState != null && solidGlobal[LevelChunkSection.GLOBAL_BLOCKSTATE_PALETTE.idFor(oldBlockState)] && !solidGlobal[LevelChunkSection.GLOBAL_BLOCKSTATE_PALETTE.idFor(newBlockState)] && blockPos.getY() <= maxBlockHeightUpdatePosition) {
|
|
+ updateNearbyBlocks(level, blockPos);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ @Override
|
|
+ public void onPlayerLeftClickBlock(ServerPlayerGameMode serverPlayerGameMode, BlockPos blockPos, ServerboundPlayerActionPacket.Action action, Direction direction, int worldHeight) {
|
|
+ if (blockPos.getY() <= maxBlockHeightUpdatePosition) {
|
|
+ updateNearbyBlocks(serverPlayerGameMode.level, blockPos);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ private void updateNearbyBlocks(Level level, BlockPos blockPos) {
|
|
+ if (updateRadius >= 2) {
|
|
+ BlockPos temp = blockPos.west();
|
|
+ updateBlock(level, temp);
|
|
+ updateBlock(level, temp.west());
|
|
+ updateBlock(level, temp.below());
|
|
+ updateBlock(level, temp.above());
|
|
+ updateBlock(level, temp.north());
|
|
+ updateBlock(level, temp.south());
|
|
+ updateBlock(level, temp = blockPos.east());
|
|
+ updateBlock(level, temp.east());
|
|
+ updateBlock(level, temp.below());
|
|
+ updateBlock(level, temp.above());
|
|
+ updateBlock(level, temp.north());
|
|
+ updateBlock(level, temp.south());
|
|
+ updateBlock(level, temp = blockPos.below());
|
|
+ updateBlock(level, temp.below());
|
|
+ updateBlock(level, temp.north());
|
|
+ updateBlock(level, temp.south());
|
|
+ updateBlock(level, temp = blockPos.above());
|
|
+ updateBlock(level, temp.above());
|
|
+ updateBlock(level, temp.north());
|
|
+ updateBlock(level, temp.south());
|
|
+ updateBlock(level, temp = blockPos.north());
|
|
+ updateBlock(level, temp.north());
|
|
+ updateBlock(level, temp = blockPos.south());
|
|
+ updateBlock(level, temp.south());
|
|
+ } else if (updateRadius == 1) {
|
|
+ updateBlock(level, blockPos.west());
|
|
+ updateBlock(level, blockPos.east());
|
|
+ updateBlock(level, blockPos.below());
|
|
+ updateBlock(level, blockPos.above());
|
|
+ updateBlock(level, blockPos.north());
|
|
+ updateBlock(level, blockPos.south());
|
|
+ } else {
|
|
+ // Do nothing if updateRadius <= 0 (test mode)
|
|
+ }
|
|
+ }
|
|
+
|
|
+ private void updateBlock(Level level, BlockPos blockPos) {
|
|
+ BlockState blockState = level.getTypeIfLoaded(blockPos);
|
|
+
|
|
+ if (blockState != null && obfuscateGlobal[LevelChunkSection.GLOBAL_BLOCKSTATE_PALETTE.idFor(blockState)]) {
|
|
+ ((ServerLevel) level).getChunkSource().blockChanged(blockPos);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ public enum EngineMode {
|
|
+
|
|
+ HIDE(1, "hide ores"),
|
|
+ OBFUSCATE(2, "obfuscate");
|
|
+
|
|
+ private final int id;
|
|
+ private final String description;
|
|
+
|
|
+ EngineMode(int id, String description) {
|
|
+ this.id = id;
|
|
+ this.description = description;
|
|
+ }
|
|
+
|
|
+ public static EngineMode getById(int id) {
|
|
+ for (EngineMode engineMode : values()) {
|
|
+ if (engineMode.id == id) {
|
|
+ return engineMode;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ return null;
|
|
+ }
|
|
+
|
|
+ public int getId() {
|
|
+ return id;
|
|
+ }
|
|
+
|
|
+ public String getDescription() {
|
|
+ return description;
|
|
+ }
|
|
+ }
|
|
+}
|
|
diff --git a/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketInfo.java b/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketInfo.java
|
|
new file mode 100644
|
|
index 0000000000000000000000000000000000000000..7bc2d4daffa8e9e71c3bf496d2cf1a2b7f3c6a4b
|
|
--- /dev/null
|
|
+++ b/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketInfo.java
|
|
@@ -0,0 +1,80 @@
|
|
+package com.destroystokyo.paper.antixray;
|
|
+
|
|
+import net.minecraft.network.protocol.game.ClientboundLevelChunkPacket;
|
|
+import net.minecraft.world.level.chunk.LevelChunk;
|
|
+import net.minecraft.world.level.chunk.Palette;
|
|
+
|
|
+public class ChunkPacketInfo<T> {
|
|
+
|
|
+ private final ClientboundLevelChunkPacket chunkPacket;
|
|
+ private final LevelChunk chunk;
|
|
+ private final int[] bits;
|
|
+ private final Object[] palettes;
|
|
+ private final int[] indexes;
|
|
+ private final Object[][] presetValues;
|
|
+ private byte[] buffer;
|
|
+
|
|
+ public ChunkPacketInfo(ClientboundLevelChunkPacket chunkPacket, LevelChunk chunk) {
|
|
+ this.chunkPacket = chunkPacket;
|
|
+ this.chunk = chunk;
|
|
+ int sections = chunk.getSectionsCount();
|
|
+ bits = new int[sections];
|
|
+ palettes = new Object[sections];
|
|
+ indexes = new int[sections];
|
|
+ presetValues = new Object[sections][];
|
|
+ }
|
|
+
|
|
+ public ClientboundLevelChunkPacket getChunkPacket() {
|
|
+ return chunkPacket;
|
|
+ }
|
|
+
|
|
+ public LevelChunk getChunk() {
|
|
+ return chunk;
|
|
+ }
|
|
+
|
|
+ public byte[] getBuffer() {
|
|
+ return buffer;
|
|
+ }
|
|
+
|
|
+ public void setBuffer(byte[] buffer) {
|
|
+ this.buffer = buffer;
|
|
+ }
|
|
+
|
|
+ public int getBits(int chunkSectionIndex) {
|
|
+ return bits[chunkSectionIndex];
|
|
+ }
|
|
+
|
|
+ public void setBits(int chunkSectionIndex, int bits) {
|
|
+ this.bits[chunkSectionIndex] = bits;
|
|
+ }
|
|
+
|
|
+ @SuppressWarnings("unchecked")
|
|
+ public Palette<T> getPalette(int chunkSectionIndex) {
|
|
+ return (Palette<T>) palettes[chunkSectionIndex];
|
|
+ }
|
|
+
|
|
+ public void setPalette(int chunkSectionIndex, Palette<T> palette) {
|
|
+ palettes[chunkSectionIndex] = palette;
|
|
+ }
|
|
+
|
|
+ public int getIndex(int chunkSectionIndex) {
|
|
+ return indexes[chunkSectionIndex];
|
|
+ }
|
|
+
|
|
+ public void setIndex(int chunkSectionIndex, int index) {
|
|
+ indexes[chunkSectionIndex] = index;
|
|
+ }
|
|
+
|
|
+ @SuppressWarnings("unchecked")
|
|
+ public T[] getPresetValues(int chunkSectionIndex) {
|
|
+ return (T[]) presetValues[chunkSectionIndex];
|
|
+ }
|
|
+
|
|
+ public void setPresetValues(int chunkSectionIndex, T[] presetValues) {
|
|
+ this.presetValues[chunkSectionIndex] = presetValues;
|
|
+ }
|
|
+
|
|
+ public boolean isWritten(int chunkSectionIndex) {
|
|
+ return bits[chunkSectionIndex] != 0;
|
|
+ }
|
|
+}
|
|
diff --git a/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketInfoAntiXray.java b/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketInfoAntiXray.java
|
|
new file mode 100644
|
|
index 0000000000000000000000000000000000000000..02324a59ac21db5349fe2a74248b2c6f92fa8233
|
|
--- /dev/null
|
|
+++ b/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketInfoAntiXray.java
|
|
@@ -0,0 +1,29 @@
|
|
+package com.destroystokyo.paper.antixray;
|
|
+
|
|
+import net.minecraft.network.protocol.game.ClientboundLevelChunkPacket;
|
|
+import net.minecraft.world.level.block.state.BlockState;
|
|
+import net.minecraft.world.level.chunk.LevelChunk;
|
|
+
|
|
+public final class ChunkPacketInfoAntiXray extends ChunkPacketInfo<BlockState> implements Runnable {
|
|
+
|
|
+ private final ChunkPacketBlockControllerAntiXray chunkPacketBlockControllerAntiXray;
|
|
+ private LevelChunk[] nearbyChunks;
|
|
+
|
|
+ public ChunkPacketInfoAntiXray(ClientboundLevelChunkPacket chunkPacket, LevelChunk chunk, ChunkPacketBlockControllerAntiXray chunkPacketBlockControllerAntiXray) {
|
|
+ super(chunkPacket, chunk);
|
|
+ this.chunkPacketBlockControllerAntiXray = chunkPacketBlockControllerAntiXray;
|
|
+ }
|
|
+
|
|
+ public LevelChunk[] getNearbyChunks() {
|
|
+ return nearbyChunks;
|
|
+ }
|
|
+
|
|
+ public void setNearbyChunks(LevelChunk... nearbyChunks) {
|
|
+ this.nearbyChunks = nearbyChunks;
|
|
+ }
|
|
+
|
|
+ @Override
|
|
+ public void run() {
|
|
+ chunkPacketBlockControllerAntiXray.obfuscate(this);
|
|
+ }
|
|
+}
|
|
diff --git a/src/main/java/net/minecraft/network/protocol/game/ClientboundLevelChunkPacket.java b/src/main/java/net/minecraft/network/protocol/game/ClientboundLevelChunkPacket.java
|
|
index c28879f32b004f36ff746ea2274f91ddd9501e71..60d72e488bc77cd913328be400ca374a873b4561 100644
|
|
--- a/src/main/java/net/minecraft/network/protocol/game/ClientboundLevelChunkPacket.java
|
|
+++ b/src/main/java/net/minecraft/network/protocol/game/ClientboundLevelChunkPacket.java
|
|
@@ -37,7 +37,24 @@ public class ClientboundLevelChunkPacket implements Packet<ClientGamePacketListe
|
|
}
|
|
// Paper end
|
|
|
|
- public ClientboundLevelChunkPacket(LevelChunk chunk) {
|
|
+ // Paper start - Async-Anti-Xray - Ready flag for the connection
|
|
+ private volatile boolean ready;
|
|
+
|
|
+ @Override
|
|
+ public boolean isReady() {
|
|
+ return this.ready;
|
|
+ }
|
|
+
|
|
+ public void setReady(boolean ready) {
|
|
+ this.ready = ready;
|
|
+ }
|
|
+ // Paper end
|
|
+
|
|
+ // Paper start - Anti-Xray - Add chunk packet info
|
|
+ @Deprecated public ClientboundLevelChunkPacket(LevelChunk chunk) { this(chunk, true); } // Notice for updates: Please make sure this constructor isn't used anywhere
|
|
+ public ClientboundLevelChunkPacket(LevelChunk chunk, boolean modifyBlocks) {
|
|
+ com.destroystokyo.paper.antixray.ChunkPacketInfo<net.minecraft.world.level.block.state.BlockState> chunkPacketInfo = modifyBlocks ? chunk.level.chunkPacketBlockController.getChunkPacketInfo(this, chunk) : null;
|
|
+ // Paper end
|
|
ChunkPos chunkPos = chunk.getPos();
|
|
this.x = chunkPos.x;
|
|
this.z = chunkPos.z;
|
|
@@ -51,7 +68,14 @@ public class ClientboundLevelChunkPacket implements Packet<ClientGamePacketListe
|
|
|
|
this.biomes = chunk.getBiomes().writeBiomes();
|
|
this.buffer = new byte[this.calculateChunkSize(chunk)];
|
|
- this.availableSections = this.extractChunkData(new FriendlyByteBuf(this.getWriteBuffer()), chunk);
|
|
+
|
|
+ // Paper start - Anti-Xray - Add chunk packet info
|
|
+ if (chunkPacketInfo != null) {
|
|
+ chunkPacketInfo.setBuffer(this.buffer);
|
|
+ }
|
|
+
|
|
+ this.availableSections = this.extractChunkData(new FriendlyByteBuf(this.getWriteBuffer()), chunk, chunkPacketInfo);
|
|
+ // Paper end
|
|
this.blockEntitiesTags = Lists.newArrayList();
|
|
int totalTileEntities = 0; // Paper
|
|
|
|
@@ -71,6 +95,7 @@ public class ClientboundLevelChunkPacket implements Packet<ClientGamePacketListe
|
|
this.blockEntitiesTags.add(compoundTag);
|
|
}
|
|
|
|
+ chunk.level.chunkPacketBlockController.modifyBlocks(this, chunkPacketInfo); // Paper - Anti-Xray - Modify blocks
|
|
}
|
|
|
|
public ClientboundLevelChunkPacket(FriendlyByteBuf buf) {
|
|
@@ -120,7 +145,10 @@ public class ClientboundLevelChunkPacket implements Packet<ClientGamePacketListe
|
|
return byteBuf;
|
|
}
|
|
|
|
- public BitSet extractChunkData(FriendlyByteBuf buf, LevelChunk chunk) {
|
|
+ // Paper start - Anti-Xray - Add chunk packet info
|
|
+ @Deprecated public BitSet extractChunkData(FriendlyByteBuf buf, LevelChunk chunk) { return extractChunkData(buf, chunk, null); } // Notice for updates: Please make sure this method isn't used anywhere
|
|
+ public BitSet extractChunkData(FriendlyByteBuf buf, LevelChunk chunk, com.destroystokyo.paper.antixray.ChunkPacketInfo<net.minecraft.world.level.block.state.BlockState> chunkPacketInfo) {
|
|
+ // Paper end
|
|
BitSet bitSet = new BitSet();
|
|
LevelChunkSection[] levelChunkSections = chunk.getSections();
|
|
int i = 0;
|
|
@@ -129,7 +157,7 @@ public class ClientboundLevelChunkPacket implements Packet<ClientGamePacketListe
|
|
LevelChunkSection levelChunkSection = levelChunkSections[i];
|
|
if (levelChunkSection != LevelChunk.EMPTY_SECTION && !levelChunkSection.isEmpty()) {
|
|
bitSet.set(i);
|
|
- levelChunkSection.write(buf);
|
|
+ levelChunkSection.write(buf, chunkPacketInfo); // Paper - Anti-Xray - Add chunk packet info
|
|
}
|
|
}
|
|
|
|
diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
|
|
index 63d52f6f0c0097654ddab05fea4bd809dc612a9b..292fb6d71ca8bd63ad04d87d04f13b7f4f6f98fc 100644
|
|
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
|
|
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
|
|
@@ -1534,7 +1534,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
|
|
|
|
public void playerLoadedChunk(ServerPlayer player, Packet<?>[] packets, LevelChunk chunk) {
|
|
if (packets[0] == null) {
|
|
- packets[0] = new ClientboundLevelChunkPacket(chunk);
|
|
+ packets[0] = new ClientboundLevelChunkPacket(chunk, chunk.level.chunkPacketBlockController.shouldModify(player, chunk)); // Paper - Ani-Xray - Bypass
|
|
packets[1] = new ClientboundLightUpdatePacket(chunk.getPos(), this.lightEngine, (BitSet) null, (BitSet) null, true);
|
|
}
|
|
|
|
diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
|
|
index 8a1df5b26a6ba0e2fa13a9974cf41384a8e6d4fe..0df81cbddf2e7f164861b95cf572f9d6d3f031ca 100644
|
|
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
|
|
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
|
|
@@ -378,7 +378,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
|
|
// Add env and gen to constructor, WorldData -> WorldDataServer
|
|
public ServerLevel(MinecraftServer minecraftserver, Executor executor, LevelStorageSource.LevelStorageAccess convertable_conversionsession, ServerLevelData iworlddataserver, ResourceKey<Level> resourcekey, DimensionType dimensionmanager, ChunkProgressListener worldloadlistener, ChunkGenerator chunkgenerator, boolean flag, long i, List<CustomSpawner> list, boolean flag1, org.bukkit.World.Environment env, org.bukkit.generator.ChunkGenerator gen, org.bukkit.generator.BiomeProvider biomeProvider) {
|
|
// Objects.requireNonNull(minecraftserver); // CraftBukkit - decompile error
|
|
- super(iworlddataserver, resourcekey, dimensionmanager, minecraftserver::getProfiler, false, flag, i, gen, biomeProvider, env);
|
|
+ super(iworlddataserver, resourcekey, dimensionmanager, minecraftserver::getProfiler, false, flag, i, gen, biomeProvider, env, executor); // Paper - Anti-Xray - Pass executor
|
|
this.pvpMode = minecraftserver.isPvpAllowed();
|
|
this.convertable = convertable_conversionsession;
|
|
this.uuid = WorldUUID.getUUID(convertable_conversionsession.levelPath.toFile());
|
|
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
|
|
index 6219634a57976a6a0a9b32ed08d56107d6b5d1c3..31e3534d6e15f91d781fabb0670e53ef66cb8977 100644
|
|
--- a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
|
|
+++ b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
|
|
@@ -49,7 +49,7 @@ import org.bukkit.event.player.PlayerInteractEvent;
|
|
public class ServerPlayerGameMode {
|
|
|
|
private static final Logger LOGGER = LogManager.getLogger();
|
|
- protected ServerLevel level;
|
|
+ public ServerLevel level; // Paper - Anti-Xray - protected -> public
|
|
protected final ServerPlayer player;
|
|
private GameType gameModeForPlayer;
|
|
@Nullable
|
|
@@ -315,6 +315,8 @@ public class ServerPlayerGameMode {
|
|
}
|
|
|
|
}
|
|
+
|
|
+ this.level.chunkPacketBlockController.onPlayerLeftClickBlock(this, pos, action, direction, worldHeight); // Paper - Anti-Xray
|
|
}
|
|
|
|
public void destroyAndAck(BlockPos pos, ServerboundPlayerActionPacket.Action action, String reason) {
|
|
diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
|
|
index fac722d2f5bbd86cbeacc7da4bb45155257ae97f..d050d60900a6829a9409ef944d7e4fceb5248dc1 100644
|
|
--- a/src/main/java/net/minecraft/world/level/Level.java
|
|
+++ b/src/main/java/net/minecraft/world/level/Level.java
|
|
@@ -165,6 +165,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
|
|
public final org.spigotmc.SpigotWorldConfig spigotConfig; // Spigot
|
|
|
|
public final com.destroystokyo.paper.PaperWorldConfig paperConfig; // Paper
|
|
+ public final com.destroystokyo.paper.antixray.ChunkPacketBlockController chunkPacketBlockController; // Paper - Anti-Xray
|
|
|
|
public final co.aikar.timings.WorldTimingsHandler timings; // Paper
|
|
public static BlockPos lastPhysicsProblem; // Spigot
|
|
@@ -186,7 +187,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
|
|
return this.typeKey;
|
|
}
|
|
|
|
- protected Level(WritableLevelData worlddatamutable, ResourceKey<Level> resourcekey, final DimensionType dimensionmanager, Supplier<ProfilerFiller> supplier, boolean flag, boolean flag1, long i, org.bukkit.generator.ChunkGenerator gen, org.bukkit.generator.BiomeProvider biomeProvider, org.bukkit.World.Environment env) {
|
|
+ protected Level(WritableLevelData worlddatamutable, ResourceKey<Level> resourcekey, final DimensionType dimensionmanager, Supplier<ProfilerFiller> supplier, boolean flag, boolean flag1, long i, org.bukkit.generator.ChunkGenerator gen, org.bukkit.generator.BiomeProvider biomeProvider, org.bukkit.World.Environment env, java.util.concurrent.Executor executor) { // Paper - Anti-Xray - Pass executor
|
|
this.spigotConfig = new org.spigotmc.SpigotWorldConfig(((net.minecraft.world.level.storage.PrimaryLevelData) worlddatamutable).getLevelName()); // Spigot
|
|
this.paperConfig = new com.destroystokyo.paper.PaperWorldConfig(((net.minecraft.world.level.storage.PrimaryLevelData) worlddatamutable).getLevelName(), this.spigotConfig); // Paper
|
|
this.generator = gen;
|
|
@@ -259,6 +260,9 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
|
|
this.keepSpawnInMemory = this.paperConfig.keepSpawnInMemory; // Paper
|
|
this.entityLimiter = new org.spigotmc.TickLimiter(spigotConfig.entityMaxTickTime);
|
|
this.tileLimiter = new org.spigotmc.TickLimiter(spigotConfig.tileMaxTickTime);
|
|
+ this.chunkPacketBlockController = this.paperConfig.antiXray ?
|
|
+ new com.destroystokyo.paper.antixray.ChunkPacketBlockControllerAntiXray(this, executor)
|
|
+ : com.destroystokyo.paper.antixray.ChunkPacketBlockController.NO_OPERATION_INSTANCE; // Paper - Anti-Xray
|
|
}
|
|
|
|
// Paper start
|
|
@@ -449,6 +453,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
|
|
// CraftBukkit end
|
|
|
|
BlockState iblockdata1 = chunk.setType(pos, state, (flags & 64) != 0, (flags & 1024) == 0); // CraftBukkit custom NO_PLACE flag
|
|
+ this.chunkPacketBlockController.onBlockChange(this, pos, state, iblockdata1, flags, maxUpdateDepth); // Paper - Anti-Xray
|
|
|
|
if (iblockdata1 == null) {
|
|
// CraftBukkit start - remove blockstate if failed (or the same)
|
|
diff --git a/src/main/java/net/minecraft/world/level/chunk/ChunkAccess.java b/src/main/java/net/minecraft/world/level/chunk/ChunkAccess.java
|
|
index 149ac5ec368b53a9a5e9208bd49a3c9453625d9c..12d11a249c759e99568a76c791cc0d65adfcfe94 100644
|
|
--- a/src/main/java/net/minecraft/world/level/chunk/ChunkAccess.java
|
|
+++ b/src/main/java/net/minecraft/world/level/chunk/ChunkAccess.java
|
|
@@ -74,7 +74,7 @@ public interface ChunkAccess extends BlockGetter, FeatureAccess {
|
|
default LevelChunkSection getOrCreateSection(int yIndex) {
|
|
LevelChunkSection[] levelChunkSections = this.getSections();
|
|
if (levelChunkSections[yIndex] == LevelChunk.EMPTY_SECTION) {
|
|
- levelChunkSections[yIndex] = new LevelChunkSection(this.getSectionYFromSectionIndex(yIndex));
|
|
+ levelChunkSections[yIndex] = new LevelChunkSection(this.getSectionYFromSectionIndex(yIndex), this, this.getLevel(), true); // Paper - Anti-Xray - Add parameters
|
|
}
|
|
|
|
return levelChunkSections[yIndex];
|
|
diff --git a/src/main/java/net/minecraft/world/level/chunk/EmptyLevelChunk.java b/src/main/java/net/minecraft/world/level/chunk/EmptyLevelChunk.java
|
|
index 69c2454533e6f21c70792b555ec02c6bc6d169b3..f9e0e109497d685a9d88d2fa8892287b9fa97443 100644
|
|
--- a/src/main/java/net/minecraft/world/level/chunk/EmptyLevelChunk.java
|
|
+++ b/src/main/java/net/minecraft/world/level/chunk/EmptyLevelChunk.java
|
|
@@ -86,7 +86,7 @@ public class EmptyLevelChunk extends LevelChunk {
|
|
private static final Biome[] EMPTY_BIOMES = new Biome[0];
|
|
|
|
public EmptyChunkBiomeContainer(Level world) {
|
|
- super(world.registryAccess().registryOrThrow(Registry.BIOME_REGISTRY), world, EMPTY_BIOMES);
|
|
+ super(net.minecraft.server.MinecraftServer.getServer().registryAccess().registryOrThrow(Registry.BIOME_REGISTRY), world, EMPTY_BIOMES); // Paper - Anti-Xray - The world isnt ready yet, use server singleton for registry
|
|
}
|
|
|
|
@Override
|
|
diff --git a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
|
|
index 8141935e2ee58bbb58c6b5cfdef5a9a88d7658ec..515e28eea8cbab261320352ee0db9b877807f3ed 100644
|
|
--- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
|
|
+++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
|
|
@@ -456,7 +456,7 @@ public class LevelChunk implements ChunkAccess {
|
|
return null;
|
|
}
|
|
|
|
- chunksection = new LevelChunkSection(SectionPos.blockToSectionCoord(i));
|
|
+ chunksection = new LevelChunkSection(SectionPos.blockToSectionCoord(i), this, this.level, true); // Paper - Anti-Xray - Add parameters
|
|
this.sections[j] = chunksection;
|
|
}
|
|
|
|
diff --git a/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java
|
|
index 5fd66020a937b641e2a060cf38df731a43f3bf55..c9fefeef19bd46ade51b23eadb5eef3a88024ea1 100644
|
|
--- a/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java
|
|
+++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java
|
|
@@ -20,16 +20,25 @@ public class LevelChunkSection {
|
|
private short tickingFluidCount;
|
|
final PalettedContainer<BlockState> states; // Paper - package-private
|
|
|
|
- public LevelChunkSection(int yOffset) {
|
|
- this(yOffset, (short)0, (short)0, (short)0);
|
|
+ // Paper start - Anti-Xray - Add parameters
|
|
+ @Deprecated public LevelChunkSection(int yOffset) { this(yOffset, null, null, true); } // Notice for updates: Please make sure this constructor isn't used anywhere
|
|
+ public LevelChunkSection(int yOffset, ChunkAccess chunk, net.minecraft.world.level.Level level, boolean initializeBlocks) {
|
|
+ this(yOffset, (short) 0, (short) 0, (short) 0, chunk, level, initializeBlocks);
|
|
+ // Paper end
|
|
}
|
|
|
|
- public LevelChunkSection(int yOffset, short nonEmptyBlockCount, short randomTickableBlockCount, short nonEmptyFluidCount) {
|
|
+ // Paper start - Anti-Xray - Add parameters
|
|
+ @Deprecated public LevelChunkSection(int yOffset, short nonEmptyBlockCount, short randomTickableBlockCount, short nonEmptyFluidCount) { // Notice for updates: Please make sure this constructor isn't used anywhere
|
|
+ this(yOffset, nonEmptyBlockCount, randomTickableBlockCount, nonEmptyFluidCount, null, null, true);
|
|
+ }
|
|
+ public LevelChunkSection(int yOffset, short nonEmptyBlockCount, short randomTickableBlockCount, short nonEmptyFluidCount, ChunkAccess chunk, net.minecraft.world.level.Level level, boolean initializeBlocks) {
|
|
+ // Paper end
|
|
this.bottomBlockY = getBottomBlockY(yOffset);
|
|
this.nonEmptyBlockCount = nonEmptyBlockCount;
|
|
this.tickingBlockCount = randomTickableBlockCount;
|
|
this.tickingFluidCount = nonEmptyFluidCount;
|
|
- this.states = new PalettedContainer<>(GLOBAL_BLOCKSTATE_PALETTE, Block.BLOCK_STATE_REGISTRY, NbtUtils::readBlockState, NbtUtils::writeBlockState, Blocks.AIR.defaultBlockState());
|
|
+ this.states = new PalettedContainer<>(GLOBAL_BLOCKSTATE_PALETTE, Block.BLOCK_STATE_REGISTRY, NbtUtils::readBlockState, NbtUtils::writeBlockState, Blocks.AIR.defaultBlockState(),
|
|
+ level == null ? null : level.chunkPacketBlockController.getPresetBlockStates(level, chunk, this, initializeBlocks), initializeBlocks); // Paper - Anti-Xray - Add preset block states
|
|
}
|
|
|
|
public static int getBottomBlockY(int chunkPos) {
|
|
@@ -147,9 +156,12 @@ public class LevelChunkSection {
|
|
this.states.read(buf);
|
|
}
|
|
|
|
- public void write(FriendlyByteBuf buf) {
|
|
+ // Paper start - Anti-Xray - Add chunk packet info
|
|
+ @Deprecated public void write(FriendlyByteBuf buf) { write(buf, null); } // Notice for updates: Please make sure this method isn't used anywhere
|
|
+ public void write(FriendlyByteBuf buf, com.destroystokyo.paper.antixray.ChunkPacketInfo<BlockState> chunkPacketInfo) {
|
|
+ // Paper end
|
|
buf.writeShort(this.nonEmptyBlockCount);
|
|
- this.states.write(buf);
|
|
+ this.states.write(buf, chunkPacketInfo, this.bottomBlockY); // Paper - Anti-Xray - Add chunk packet info
|
|
}
|
|
|
|
public int getSerializedSize() {
|
|
diff --git a/src/main/java/net/minecraft/world/level/chunk/PalettedContainer.java b/src/main/java/net/minecraft/world/level/chunk/PalettedContainer.java
|
|
index bb8fd88aebb550edec8c679622a02a595cbc6694..ac51089aae57a5f1d2411367ff177e058702894c 100644
|
|
--- a/src/main/java/net/minecraft/world/level/chunk/PalettedContainer.java
|
|
+++ b/src/main/java/net/minecraft/world/level/chunk/PalettedContainer.java
|
|
@@ -28,6 +28,7 @@ public class PalettedContainer<T> implements PaletteResize<T> {
|
|
private final Function<CompoundTag, T> reader;
|
|
private final Function<T, CompoundTag> writer;
|
|
private final T defaultValue;
|
|
+ private final T[] presetValues; // Paper - Anti-Xray - Add preset values
|
|
protected BitStorage storage;
|
|
private Palette<T> palette;
|
|
private int bits;
|
|
@@ -48,14 +49,46 @@ public class PalettedContainer<T> implements PaletteResize<T> {
|
|
this.lock.release();
|
|
}
|
|
|
|
- public PalettedContainer(Palette<T> fallbackPalette, IdMapper<T> idList, Function<CompoundTag, T> elementDeserializer, Function<T, CompoundTag> elementSerializer, T defaultElement) {
|
|
+ // Paper start - Anti-Xray - Add preset values
|
|
+ @Deprecated public PalettedContainer(Palette<T> fallbackPalette, IdMapper<T> idList, Function<CompoundTag, T> elementDeserializer, Function<T, CompoundTag> elementSerializer, T defaultElement) { // Notice for updates: Please make sure this constructor isn't used anywhere
|
|
+ this(fallbackPalette, idList, elementDeserializer, elementSerializer, defaultElement, null, true);
|
|
+ }
|
|
+ public PalettedContainer(Palette<T> fallbackPalette, IdMapper<T> idList, Function<CompoundTag, T> elementDeserializer, Function<T, CompoundTag> elementSerializer, T defaultElement, T[] presetValues, boolean initialize) {
|
|
+ // Paper end
|
|
this.globalPalette = fallbackPalette;
|
|
this.registry = idList;
|
|
this.reader = elementDeserializer;
|
|
this.writer = elementSerializer;
|
|
this.defaultValue = defaultElement;
|
|
- this.setBits(4);
|
|
+ // Paper start - Anti-Xray - Add preset values
|
|
+ this.presetValues = presetValues;
|
|
+
|
|
+ if (initialize) {
|
|
+ if (presetValues == null) {
|
|
+ // Default
|
|
+ this.setBits(4);
|
|
+ } else {
|
|
+ // Count the number of required bits
|
|
+ // Preset values: presetValues.length - 1
|
|
+ // Air: + 1
|
|
+ // Extra: + 15
|
|
+ // Air and extra correspond to the default behavior this.setBits(4)
|
|
+ this.setBits(32 - Integer.numberOfLeadingZeros(presetValues.length + 15));
|
|
+ this.addPresetValues();
|
|
+ }
|
|
+ }
|
|
+ // Paper end
|
|
+ }
|
|
+
|
|
+ // Paper start - Anti-Xray - Add preset values
|
|
+ private void addPresetValues() {
|
|
+ if (this.presetValues != null && this.palette != this.globalPalette) {
|
|
+ for (T presetValue : this.presetValues) {
|
|
+ this.palette.idFor(presetValue);
|
|
+ }
|
|
+ }
|
|
}
|
|
+ // Paper end
|
|
|
|
private static int getIndex(int x, int y, int z) {
|
|
return y << 8 | z << 4 | x;
|
|
@@ -84,6 +117,7 @@ public class PalettedContainer<T> implements PaletteResize<T> {
|
|
BitStorage bitStorage = this.storage;
|
|
Palette<T> palette = this.palette;
|
|
this.setBits(newSize);
|
|
+ this.addPresetValues(); // Paper - Anti-Xray - Add preset values
|
|
|
|
for(int i = 0; i < bitStorage.getSize(); ++i) {
|
|
T object = palette.valueFor(bitStorage.get(i));
|
|
@@ -153,17 +187,38 @@ public class PalettedContainer<T> implements PaletteResize<T> {
|
|
|
|
this.palette.read(buf);
|
|
buf.readLongArray(this.storage.getRaw());
|
|
+ // Paper start - Anti-Xray - Add preset values
|
|
+ // If there are many preset values this may require several resize operations
|
|
+ // This can be avoided by calculating the required bits in advance, as it is done in #read(ListTag, long[])
|
|
+ // However, this method is only used by the client, so it does not matter
|
|
+ this.addPresetValues();
|
|
+ // Paper end
|
|
} finally {
|
|
this.release();
|
|
}
|
|
|
|
}
|
|
|
|
- public void write(FriendlyByteBuf buf) {
|
|
+ // Paper start - Anti-Xray - Add chunk packet info
|
|
+ @Deprecated public void write(FriendlyByteBuf buf) { write(buf, null, 0); } // Notice for updates: Please make sure this method isn't used anywhere
|
|
+ public void write(FriendlyByteBuf buf, com.destroystokyo.paper.antixray.ChunkPacketInfo<T> chunkPacketInfo, int bottomBlockY) {
|
|
+ // Paper end
|
|
try {
|
|
this.acquire();
|
|
buf.writeByte(this.bits);
|
|
this.palette.write(buf);
|
|
+
|
|
+ // Paper start - Anti-Xray - Add chunk packet info
|
|
+ if (chunkPacketInfo != null) {
|
|
+ // Bottom block to 0 based chunk section index
|
|
+ int chunkSectionIndex = (bottomBlockY >> 4) - chunkPacketInfo.getChunk().getMinSection();
|
|
+ chunkPacketInfo.setBits(chunkSectionIndex, this.bits);
|
|
+ chunkPacketInfo.setPalette(chunkSectionIndex, this.palette);
|
|
+ chunkPacketInfo.setIndex(chunkSectionIndex, buf.writerIndex() + FriendlyByteBuf.getVarIntSize(this.storage.getRaw().length));
|
|
+ chunkPacketInfo.setPresetValues(chunkSectionIndex, this.presetValues);
|
|
+ }
|
|
+ // Paper end
|
|
+
|
|
buf.writeLongArray(this.storage.getRaw());
|
|
} finally {
|
|
this.release();
|
|
@@ -174,12 +229,14 @@ public class PalettedContainer<T> implements PaletteResize<T> {
|
|
public void read(ListTag paletteNbt, long[] data) {
|
|
try {
|
|
this.acquire();
|
|
- int i = Math.max(4, Mth.ceillog2(paletteNbt.size()));
|
|
- if (i != this.bits) {
|
|
+ // Paper - Anti-Xray - TODO: Should this.presetValues.length just be added here (faster) or should the contents be compared to calculate the size (less RAM)?
|
|
+ int i = Math.max(4, Mth.ceillog2(paletteNbt.size() + (this.presetValues == null ? 0 : this.presetValues.length))); // Paper - Anti-Xray - Calculate the size with preset values
|
|
+ if (true || i != this.bits) { // Paper - Anti-Xray - Not initialized yet
|
|
this.setBits(i);
|
|
}
|
|
|
|
this.palette.read(paletteNbt);
|
|
+ this.addPresetValues(); // Paper - Anti-Xray - Add preset values
|
|
int j = data.length * 64 / 4096;
|
|
if (this.palette == this.globalPalette) {
|
|
Palette<T> palette = new HashMapPalette<>(this.registry, i, this.dummyPaletteResize, this.reader, this.writer);
|
|
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
|
|
index 670e4f65680ca36fba1c84cb334c470ea8fa9b60..79f2b3942a3ccccd8fe8719db12de458212e8659 100644
|
|
--- a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
|
|
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
|
|
@@ -134,7 +134,7 @@ public class ChunkSerializer {
|
|
byte b0 = nbttagcompound2.getByte("Y");
|
|
|
|
if (nbttagcompound2.contains("Palette", 9) && nbttagcompound2.contains("BlockStates", 12)) {
|
|
- LevelChunkSection chunksection = new LevelChunkSection(b0);
|
|
+ LevelChunkSection chunksection = new LevelChunkSection(b0, null, world, false); // Paper - Anti-Xray - Add parameters and don't initialize because it's done in the line below internally
|
|
|
|
chunksection.getStates().read(nbttagcompound2.getList("Palette", 10), nbttagcompound2.getLongArray("BlockStates"));
|
|
chunksection.recalcBlockCounts();
|
|
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftChunk.java b/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
|
|
index 7690252c08785906e721ba09834c1a64e32b2880..fd5462aa51199f294dda203bd4c313df2608c0c0 100644
|
|
--- a/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
|
|
+++ b/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
|
|
@@ -47,7 +47,7 @@ public class CraftChunk implements Chunk {
|
|
private final ServerLevel worldServer;
|
|
private final int x;
|
|
private final int z;
|
|
- private static final PalettedContainer<net.minecraft.world.level.block.state.BlockState> emptyBlockIDs = new LevelChunkSection(0).getStates();
|
|
+ private static final PalettedContainer<net.minecraft.world.level.block.state.BlockState> emptyBlockIDs = new LevelChunkSection(0, null, null, true).getStates(); // Paper - Anti-Xray - Add parameters
|
|
private static final byte[] emptyLight = new byte[2048];
|
|
|
|
public CraftChunk(net.minecraft.world.level.chunk.LevelChunk chunk) {
|
|
@@ -307,7 +307,7 @@ public class CraftChunk implements Chunk {
|
|
CompoundTag data = new CompoundTag();
|
|
cs[i].getStates().write(data, "Palette", "BlockStates");
|
|
|
|
- PalettedContainer blockids = new PalettedContainer<>(LevelChunkSection.GLOBAL_BLOCKSTATE_PALETTE, net.minecraft.world.level.block.Block.BLOCK_STATE_REGISTRY, NbtUtils::readBlockState, NbtUtils::writeBlockState, Blocks.AIR.defaultBlockState()); // TODO: snapshot whole ChunkSection
|
|
+ PalettedContainer blockids = new PalettedContainer<>(LevelChunkSection.GLOBAL_BLOCKSTATE_PALETTE, net.minecraft.world.level.block.Block.BLOCK_STATE_REGISTRY, NbtUtils::readBlockState, NbtUtils::writeBlockState, Blocks.AIR.defaultBlockState(), null, false); // TODO: snapshot whole ChunkSection // Paper - Anti-Xray - Add no preset block states and don't initialize because it's done in the line below internally
|
|
blockids.read(data.getList("Palette", CraftMagicNumbers.NBT.TAG_COMPOUND), data.getLongArray("BlockStates"));
|
|
|
|
sectionBlockIDs[i] = blockids;
|
|
diff --git a/src/main/java/org/bukkit/craftbukkit/generator/OldCraftChunkData.java b/src/main/java/org/bukkit/craftbukkit/generator/OldCraftChunkData.java
|
|
index 7bfd803d11976dba9ace79edc76bb083a2eccf38..a48c659c02c6c33a8efdac6daf9c9a0708f05071 100644
|
|
--- a/src/main/java/org/bukkit/craftbukkit/generator/OldCraftChunkData.java
|
|
+++ b/src/main/java/org/bukkit/craftbukkit/generator/OldCraftChunkData.java
|
|
@@ -25,9 +25,11 @@ public final class OldCraftChunkData implements ChunkGenerator.ChunkData {
|
|
private final LevelChunkSection[] sections;
|
|
private Set<BlockPos> tiles;
|
|
private final Set<BlockPos> lights = new HashSet<>();
|
|
+ private World world; // Paper - Anti-Xray - Add parameters
|
|
|
|
public OldCraftChunkData(World world) {
|
|
this(world.getMinHeight(), world.getMaxHeight());
|
|
+ this.world = world; // Paper - Anti-Xray - Add parameters
|
|
}
|
|
|
|
/* pp for tests */ OldCraftChunkData(int minHeight, int maxHeight) {
|
|
@@ -177,7 +179,7 @@ public final class OldCraftChunkData implements ChunkGenerator.ChunkData {
|
|
int offset = (y - this.minHeight) >> 4;
|
|
LevelChunkSection section = this.sections[offset];
|
|
if (create && section == null) {
|
|
- this.sections[offset] = section = new LevelChunkSection(offset + (this.minHeight >> 4));
|
|
+ this.sections[offset] = section = new LevelChunkSection(offset + (this.minHeight >> 4), null, world instanceof org.bukkit.craftbukkit.CraftWorld ? ((org.bukkit.craftbukkit.CraftWorld) this.world).getHandle() : null, true); // Paper - Anti-Xray - Add parameters
|
|
}
|
|
return section;
|
|
}
|